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Helium is used in gas balloons instead o...

Helium is used in gas balloons instead of hydrogen, because 

A

it is monoatomic

B

it is lighter

C

it is not radioactive

D

it is non - combustible

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Gases**: The question compares helium and hydrogen as gases used in balloons. Both are lighter than air, but their properties differ significantly. 2. **Understand the Properties of Helium**: Helium is a noble gas, which means it is chemically inert. This inertness means it does not react with other substances, making it non-flammable. 3. **Understand the Properties of Hydrogen**: Hydrogen is a highly flammable gas. When mixed with oxygen, it can ignite easily, posing a significant safety risk. 4. **Consider Safety in Balloon Use**: Since balloons are often used in public settings or celebrations, safety is a primary concern. Using a non-flammable gas like helium reduces the risk of fire or explosion. 5. **Conclusion**: Given that helium is non-flammable and safer to use in balloons compared to hydrogen, the correct answer to the question is that helium is used in gas balloons instead of hydrogen because it is non-flammable. **Final Answer**: Helium is used in gas balloons instead of hydrogen because it is non-flammable. ---
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